how much is it to replace a computer unit in my truck? on 1992 Chevrolet 1500 Pickup

check engine light keeps coming on, but have already cleared all codes

Asked by for the 1992 Chevrolet 1500 Pickup
what are the codes? could be other issues and not ecm
1 more answer
get a programmer. cheaper than replacing computer. allow you to customize ride to driving preferences. check out autoanything.com for product lines and consumer reports.